146.08% is the change from 102 to 251
Calculation steps:
[( 251 - 102 ) ÷ 102] x 100 = 146.08%
Formula
Percentage change = [(251 - 102) / 102] x 100
Subtract the new number by the original number
251 - 102 = 149
149 ÷ 102 = 1.4607843137254901
1.4607843137254901 x 100 = 146.08%